Abstract
IntroductionHydatid disease is a parasitic infestation caused by Echinococcus granulosus. The resulting large cysts in the lung are a special clinical entity called giant hydatid cysts.Case presentationAn 18-year-old Yemeni woman presented with a dry cough and mild fever, with no history of chest pain, dyspnoea or weight loss. Chest X-ray revealed a homogenous opacity almost replacing the right lung. The patient underwent surgery which revealed a large, viable hydatid cyst measuring 26 × 18 × 5 cm.ConclusionThis case report provides evidence that non-complicated hydatid cysts, even if very large, have a good prognosis and can be safely treated by parenchyma-preserving surgery.
Highlights
Hydatid disease is a parasitic infestation caused by Echinococcus Granulosus characterized by cystic lesions in the liver and lungs but rarely in other parts of the body [1,2]
Giant hydatid cysts of the lung are defined as cysts measuring 10 cm or more [3]
The chest X-ray was repeated and showed a very large, dense homogenous opacity occupying nearly 90% of the right lung (Figure 1)
Summary
Hydatid disease is a parasitic infestation caused by Echinococcus Granulosus characterized by cystic lesions in the liver and lungs but rarely in other parts of the body [1,2]. An 18-year-old Yemeni woman presented at the Otolaryngology clinic with a history of dry cough, sore throat and mild fever. She was diagnosed with upper airway infection and she confirmed that she had had similar attacks in the previous 3 years. The X-ray revealed nearly complete replacement of the right hemithorax with a dense homogenous opacity. The chest X-ray was repeated and showed a very large, dense homogenous opacity occupying nearly 90% of the right lung (Figure 1). The operation revealed a very large viable hydatid cyst measuring about 26 × 18 × 5 cm and containing more than 2 litres of fluid (Figures 2 and 3). CFihgeusrteX1-ray showing a dense homogenous radiopaque opacity involving most of the right hemithorax Chest X-ray showing a dense homogenous radiopaque opacity involving most of the right hemithorax
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